Depending on your Firewall or Antivirus settings, you may find that sandboxes have intermittent connection problems or that they're blocked entirely. This can also cause the "Intercept Requests" feature to stop working.
Please allow the following domains in your network to ensure learners are not interrupted:
Domain Allowlist
api.hackedu.com
app.hackedu.com
auth.hackedu.com
blog.hackedu.com
cdn.hackedu.com
control.hackedu.com
developers.hackedu.com
help.hackedu.com
platform.hackedu.com
static.hackedu.com
*.sandbox.hackedu.com
securityjourney.com
*.k8s.hackedu.com
api.sandbox-k8s.hackedu.com
*.sb.hackedu.com
External Resources
We link to the following URLs in our lessons:
*Please note, these URL's do not need to be accessed to complete our lessons.
apache.org
base64encode.org
cheatsheetseries.owasp.org
crackstation.net
curl.se
developer.android.com
docs.aws.amazon.com
docs.docker.com
docs.google.com
equifaxbreachsettlement.com
formidableforms.com
github.com
grip.com
hackerone.com
hub.docker.com
internetsociety.org
iosappsigner.com
justice.gov
jwt.io
man7.org
npmjs.com
nvd.nist.gov
owasp.org
pypi.org
r2wiki.readthedocs.io
sitemaps.org
snyk.io
ssllabs.com
struts.apache.org
vaultproject.io
web.dev
whatismyipaddress.com
Domain list last updated: September 27, 2022